/*
 *    Copyright 2009-2012 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.reflection.property;

import org.apache.ibatis.reflection.ReflectionException;

import java.util.Locale;

/**
 * @author Clinton Begin
 */
public class PropertyNamer {

    public static String methodToProperty(
            String name) {
        if (name.startsWith("is")) {
            name = name.substring(2);
        } else if (name
                .startsWith("get")
                || name.startsWith("set")) {
            name = name.substring(3);
        } else {
            throw new ReflectionException(
                    "Error parsing property name '"
                            + name
                            + "'.  Didn't start with 'is', 'get' or 'set'.");
        }

        if (name.length() == 1
                || (name.length() > 1 && !Character
                .isUpperCase(name
                        .charAt(1)))) {
            name = name
                    .substring(0, 1)
                    .toLowerCase(
                            Locale.ENGLISH)
                    + name.substring(1);
        }

        return name;
    }

    public static boolean isProperty(
            String name) {
        return name.startsWith("get")
                || name.startsWith("set")
                || name.startsWith("is");
    }

    public static boolean isGetter(
            String name) {
        return name.startsWith("get")
                || name.startsWith("is");
    }

    public static boolean isSetter(
            String name) {
        return name.startsWith("set");
    }

}
